Карточка № 1Решите уравнения7 – 2х = 3х – 183(х - вопрос №124776441723183228820 от SASHEKA 04.02.2022 22:09

Question

Математика: Карточка № 1Решите уравнения7 – 2х = 3х – 183(х – 2) = х + 28х – 8 = 20 – 6х7 – 2х = 3х – 188х – 8 = 20 – 6х9 – 4х = 3х – 409 – 4х = 3х

SASHEKA · Answer

1.7 – 2х = 3х – 18-2x-3x=-18-7-5x=-25x=52.3(х – 2) = х + 23x-6=x+22x=6+22x=8x=43.8х – 8 = 20 – 6х8x+6x=20+814x=28x=24.9 – 4х = 3х – 40-4x-3x=-40-9-7x=-49x=7...